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run code in 200+ php & hhvm versions
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<?php $x = array('blog' => 0, 'rdf_test' => 0); arsort($x); print_r($x);
Output for 7.0.0 - 7.3.1
Array ( [blog] => 0 [rdf_test] => 0 )
Output for 4.3.0 - 5.6.38
Array ( [rdf_test] => 0 [blog] => 0 )